Biology Crossword

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Across
  1. 3. Female chemist stiffed by Watson and Crick.
  2. 6. complementary strands of a DNA double helix are _____.
  3. 9. short for deoxyribonucleic acid.
  4. 10. _____ helix.
  5. 11. The type of bond holding base pairs together.
  6. 12. Provides structural support to chromosomes.
  7. 15. Adenine and Guanine are ______.
Down
  1. 1. cytosine and thymine are ______.
  2. 2. Replaces Thymine in RNA.
  3. 4. charge of the DNA backbone.
  4. 5. Basic building block of DNA.
  5. 7. Long strand of DNA found in the nucleus.
  6. 8. This pairs with Thymine.
  7. 13. Watson and ______.
  8. 14. short for ribonucleic acid.